<!DOCTYPE html>
<style>
table {
    border-collapse: collapse;
    border-spacing: 0px;
}
td, th {
  padding: 0px;
}
thead, tr, tfoot {
    break-inside: avoid;
}
</style>
<p>crbug.com/656232: A nested table header group repeats on each page.</p>
<div style="-webkit-columns:3; line-height: 20px; column-fill: auto; height:190px;">
    <table id="top">
        <thead id="top-thead">
            <tr>
                <th>Col 1</th>
            </tr>
        </thead>
        <tr><td>
                <table id="next">
                    <thead id="next-thead">
                        <tr>
                            <th>Col 1</th>
                            <th>Col 2</th>
                        </tr>
                    </thead>
                    <tbody>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    <tr><td>Te</td><td>xt</td></tr>
                    </tbody>
                    <tfoot>
                      <tr>
                        <th>Ft 1</th>
                        <th>Ft 2</th>
                      </tr>
                    </tfoot>
                </table>
        </td></tr>
    </table>
</div>

